For those of you with Intel boards which can use their io network modules
65$ or make an offer on ebay
[2264P] AXX1P40FRTIOM_Intel XL710-QDA1 40G Single-Port Ethernet I/O Module | eBay
65$ or make an offer on ebay
[2264P] AXX1P40FRTIOM_Intel XL710-QDA1 40G Single-Port Ethernet I/O Module | eBay